Finding the Fourth Proportional to 22,429.82, 30,953.84 and 12,871.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429.82 : 30,953.84 = 12,871.46 : x
2. Step 2: Convert to fraction form
   22,429.82/30,953.84 = 12,871.46/x
3. Step 3: Cross multiply
   22,429.82x = 30,953.84 × 12,871.46
4. Step 4: Simplify right side
   22,429.82x = 398,420,990.82
5. Step 5: Solve for x
   x = 398,420,990.82/22,429.82
6. Step 6: Final answer
   x = 17,763.01